Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Lite-Brite Silly Putty Etch-A-Sketch Play-Doh Lite-Brite Silly Putty Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade were the first successful diode and triode vacuum tubes invented? 1890s 1880s 1800s 1900s 1890s 1880s 1800s 1900s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Benjamin Franklin Alfred B. Nobel Sir Alexander Graham Bell Thomas Alva Edison Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1840 1895 1900 1874 1840 1895 1900 1874 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Telephone Book Calendar Notepad Notice Board Telephone Book Calendar Notepad Notice Board ANSWER DOWNLOAD EXAMIANS APP
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